//高度、宽度拓展
.w-full {
	width: 100%;
}
.h-full {
	height: 100%;
}
.w-screen {
	width: 100vw;
}
.h-screen {
	height: 100vh;
}
//flex
.flex {
	display: flex;
}
.flex-1 {
	flex: 1 1 0%;
}
.flex-auto {
	flex: 1 1 auto;
}
.flex-center {
	display: flex;
	justify-content: center;
	align-items: center;
}
.flex-row {
	flex-direction: row;
}
.flex-col {
	flex-direction: column;
}
.flex-wrap {
	flex-wrap: wrap;
}
.flex-nowrap {
	flex-wrap: nowrap;
}
.justify-start {
	justify-content: flex-start;
}
.justify-end {
	justify-content: flex-end;
}
.justify-center {
	justify-content: center;
}
.justif-between {
	justify-content: space-between;
}
.justify-around {
	justify-content: space-around;
}
.justify-evenly {
	justify-content: space-evenly;
}
.justify-items-start {
	justify-items: start;
}
.justify-items-end {
	justify-items: end;
}
.justify-items-center {
	justify-items: center;
}
.justify-items-stretch {
	justify-items: stretch;
}
.align-items-baseline {
	align-items: baseline;
}

.align-items-stretch {
	align-items: stretch;
}

.align-items-start {
	align-items: flex-start;
}
.align-items-end {
	align-items: flex-end;
}

.align-items-center {
	align-items: center;
}

.static {
	position: static;
}
.fixed {
	position: fixed;
}
.absolute {
	position: absolute;
}
.relative {
	position: relative;
}
.sticky {
	position: sticky;
}
// 浮动
.float-right {
	float: right;
}
.float-left {
	float: left;
}
.float-none {
	float: none;
}
.clearfix {
	&:after {
		visibility: hidden;
		display: block;
		font-size: 0;
		content: ' ';
		clear: both;
		height: 0;
	}
}
// 元素类型
.block {
	display: block;
}
.inline-block {
	display: inline-block;
}
.inline {
	display: inline;
}
// 颜色bacground-color 、color
.text-black {
	color: #000;
}
.text-white {
	color: #fff;
}
.bg-black {
	background-color: #000;
}
.bg-white {
	background-color: #fff;
}
// text拓展
.text-left {
	text-align: left;
}
.text-center {
	text-align: center;
}
.text-right {
	text-align: right;
}
.text-justify {
	text-align: justify;
}
.text-bold {
	font-weight: 700;
}
